Zenith’s Chronomaster Open is coming soon to the brand’s online store, where it will be sold on your choice of a “CORDURA effect” rubber strap or a three-link stainless steel bracelet. Water resistant to 100m, the Chronomaster open boasts a 39.5mm case that’s available in stainless steel or rose gold. Zenith Zenith has announced the release of its new Chronomaster Open watch, which borrows inspiration from the brand’s vault of early 2000’s time treasures. A work of art, with reflections that play from black to deep pearl blue depending on the lighting. The retail prices of the new Zenith Chronomaster Open are Euro 9,200 / US 9,700 in steel with cordura strap, Euro 9,700 / US 10,000 in steel with steel bracelet, and Euro 19,600 / US 21,300 in rose gold with cordura strap. The bubble is readable and contains a seconds hand, yet still offers an unimpeded view of the escapement below. Zenith Grand Chronomaster Open XXT Ref.: 03.1260.4021. The automatic winding mechanism with an open star-shaped oscillating mass delivers a power reserve of 60 hours. The chronograph’s 60-second counter is represented in blue at 3 o’clock, at 6 we find the 60-minute counter in gray, and the traditional silver running seconds subdial at 9 o’clock remains functional thanks to a hesalite bubble on the dial that’s been placed over the aperture. The new Chronomaster Opens retains the traditional tri-color subdial arrangement of El Primero watches, and it does so in an exceedingly clever way. Like its sibling, the high-beat automatic movement boasts a chronograph that can measure down to 1/10th of a second. Now, two decades later, the Swiss watchmaker has unveiled a brand new iteration of the Chronomaster Open at Watches & Wonders in Geneva that’s designed to show off the Maison’s newly-developed El Primero 3604 movement, a partly-skeletonized take on the brand’s sophisticated El Primero 3600. Zenith Chronomaster El Primero Open Stainless Steel Mens. Zenith Chronomaster El Primero Open Mens Watch 51.2080.4061/6. In 2003, Zenith created the Chronomaster Open as the first chronograph with a partially open dial that exposed the movement’s escapement and regulating organ. Zenith El Primero Chronomaster 03.20416.4061/51.C700 Stainless. Zenith Chronomaster Open Anniversary Steel Automatic 5,299. The El Primero’s history dates back to the late 1960s, when it was dubbed the world’s first automatic, integrated high-frequency chronograph caliber. In 1994, Zenith introduced the Chronomaster, which has since become its flagship model and the mainline for the watchmaker’s famed El Primero movement.